Bobbi.
She could palm two basketballs, and had a prominent adams apple.

Still, he thought she was a "real girl".

Meanwhile, back at the bat cave......

Jimmy Crenshaw paused for a moment to wipe sweat from under the strap of his headlamp.
His bat-guano pail was nearly full, and his mother would be pleased.

The constant din of chirping bats, strikingly loud in the cool damp air of the cave, was such a constant presence as to have become inaudible to Jimmy.
...Until it suddenly ceased, and the inexplicable crash of silence startled him.